package ooDay01;

public class Student extends Person{
    String className;
    int classId;
    Student(){

    }
    Student(String name,int age,String address,String className,int classId){
        super(name,age,address);
        this.classId = classId;
        this.className = className;

    }
    void study(){
        System.out.println("正在学习");
    }
}
